k_short_term_mem_challenge

— for office lock-out: Access card must be on me at_all_times, even for shower.
Most tricky periods are Fri evening to Sunday. Consider leaving the access card outside glass door, provided my seat is close to the door

Prefer pants with a belt-holder loop.

invest in crocodile-style clip.

Shower?

==== for home lock-out:
I have locked myself out repeatedly

1. once in 31A Hillside .. had to prove to new roommate who I was
2. once in 43Rockledge .. had to call Guang
3. once before taking a SG vacation
4. once on 11 Feb 2019 early morning in a hurry to catch a 6.42 train

— leave spare home key in _some_ office furniture

• choice P: personal drawers
• .. Intruders are less likely to target personal drawers, given security cameras
• choice O: obscure cabinet
• .. If picked up, those unidentified keys are less easily associated with your home